13942900 has 18 divisors (see below), whose sum is σ = 30256310. Its totient is φ = 5577120.

The previous prime is 13942897. The next prime is 13942919. The reversal of 13942900 is 924931.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 144 + 13942756 = 12^2 + 3734^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69615 + ... + 69814.

Almost surely, 2^13942900 is an apocalyptic number.

13942900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13942900 is an abundant number, since it is smaller than the sum of its proper divisors (16313410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13942900 is a wasteful number, since it uses less digits than its factorization.

13942900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139443 (or 139436 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 13942900 is about 3734.0192822212. The cubic root of 13942900 is about 240.6861153584.

The spelling of 13942900 in words is "thirteen million, nine hundred forty-two thousand, nine hundred".